updating version in package.json for v1.15.0 XL Ranch Release, [skip-ci]
updating version in package.json for v1.15.0 XL Ranch Release, [skip-ci]

jrjohnson/frontend,gboushey/frontend,djvoa12/frontend,thecoolestguy/frontend,gabycampagna/frontend,jrjohnson/frontend,djvoa12/frontend,ilios/frontend,dartajax/frontend,stopfstedt/frontend,stopfstedt/frontend,gboushey/frontend,dartajax/frontend,gabycampagna/frontend,ilios/frontend,thecoolestguy/frontend